ValkaTR
/
minetest
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
minetest/src/content_sao.cpp

1493 lines
33 KiB
C++
Raw Permalink Blame History

/*
Minetest-c55
Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "content_sao.h"
#include "collision.h"
#include "environment.h"
#include "settings.h"
#include "profiler.h"
core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
/* Some helper functions */
// Y is copied, X and Z change is limited
void accelerate_xz(v3f &speed, v3f target_speed, f32 max_increase)
{
v3f d_wanted = target_speed - speed;
d_wanted.Y = 0;
f32 dl_wanted = d_wanted.getLength();
f32 dl = dl_wanted;
if(dl > max_increase)
dl = max_increase;
v3f d = d_wanted.normalize() * dl;
speed.X += d.X;
speed.Z += d.Z;
speed.Y = target_speed.Y;
}
/*
TestSAO
*/
// Prototype
TestSAO proto_TestSAO(NULL, 0, v3f(0,0,0));
TestSAO::TestSAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_timer1(0),
m_age(0)
{
ServerActiveObject::registerType(getType(), create);
}
ServerActiveObject* TestSAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
return new TestSAO(env, id, pos);
}
void TestSAO::step(float dtime, bool send_recommended)
{
m_age += dtime;
if(m_age > 10)
{
m_removed = true;
return;
}
m_base_position.Y += dtime * BS * 2;
if(m_base_position.Y > 8*BS)
m_base_position.Y = 2*BS;
if(send_recommended == false)
return;
m_timer1 -= dtime;
if(m_timer1 < 0.0)
{
m_timer1 += 0.125;
std::string data;
data += itos(0); // 0 = position
data += " ";
data += itos(m_base_position.X);
data += " ";
data += itos(m_base_position.Y);
data += " ";
data += itos(m_base_position.Z);
ActiveObjectMessage aom(getId(), false, data);
m_messages_out.push_back(aom);
}
}
/*
ItemSAO
*/
// Prototype
ItemSAO proto_ItemSAO(NULL, 0, v3f(0,0,0), "");
ItemSAO::ItemSAO(ServerEnvironment *env, u16 id, v3f pos,
const std::string inventorystring):
ServerActiveObject(env, id, pos),
m_inventorystring(inventorystring),
m_speed_f(0,0,0),
m_last_sent_position(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
}
ServerActiveObject* ItemSAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
char buf[1];
// read version
is.read(buf, 1);
u8 version = buf[0];
// check if version is supported
if(version != 0)
return NULL;
std::string inventorystring = deSerializeString(is);
infostream<<"ItemSAO::create(): Creating item \""
<<inventorystring<<"\""<<std::endl;
return new ItemSAO(env, id, pos, inventorystring);
}
void ItemSAO::step(float dtime, bool send_recommended)
{
ScopeProfiler sp2(g_profiler, "ItemSAO::step avg", SPT_AVG);
assert(m_env);
const float interval = 0.2;
if(m_move_interval.step(dtime, interval)==false)
return;
dtime = interval;
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
collisionMoveResult moveresult;
// Apply gravity
m_speed_f += v3f(0, -dtime*9.81*BS, 0);
// Maximum movement without glitches
f32 pos_max_d = BS*0.25;
// Limit speed
if(m_speed_f.getLength()*dtime > pos_max_d)
m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
v3f pos_f = getBasePosition();
v3f pos_f_old = pos_f;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
setBasePosition(pos_f);
m_last_sent_position = pos_f;
std::ostringstream os(std::ios::binary);
char buf[6];
// command (0 = update position)
buf[0] = 0;
os.write(buf, 1);
// pos
writeS32((u8*)buf, m_base_position.X*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Y*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Z*1000);
os.write(buf, 4);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string ItemSAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
char buf[6];
// version
buf[0] = 0;
os.write(buf, 1);
// pos
writeS32((u8*)buf, m_base_position.X*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Y*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Z*1000);
os.write(buf, 4);
// inventorystring
os<<serializeString(m_inventorystring);
return os.str();
}
std::string ItemSAO::getStaticData()
{
infostream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
char buf[1];
// version
buf[0] = 0;
os.write(buf, 1);
// inventorystring
os<<serializeString(m_inventorystring);
return os.str();
}
InventoryItem * ItemSAO::createInventoryItem()
{
try{
std::istringstream is(m_inventorystring, std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
infostream<<__FUNCTION_NAME<<": m_inventorystring=\""
<<m_inventorystring<<"\" -> item="<<item
<<std::endl;
return item;
}
catch(SerializationError &e)
{
infostream<<__FUNCTION_NAME<<": serialization error: "
<<"m_inventorystring=\""<<m_inventorystring<<"\""<<std::endl;
return NULL;
}
}
void ItemSAO::rightClick(Player *player)
{
infostream<<__FUNCTION_NAME<<std::endl;
InventoryItem *item = createInventoryItem();
if(item == NULL)
return;
bool to_be_deleted = item->use(m_env, player);
if(to_be_deleted)
m_removed = true;
else
// Reflect changes to the item here
m_inventorystring = item->getItemString();
delete item;
}
/*
RatSAO
*/
// Prototype
RatSAO proto_RatSAO(NULL, 0, v3f(0,0,0));
RatSAO::RatSAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = myrand_range(0,PI*2);
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
}
ServerActiveObject* RatSAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
char buf[1];
// read version
is.read(buf, 1);
u8 version = buf[0];
// check if version is supported
if(version != 0)
return NULL;
return new RatSAO(env, id, pos);
}
void RatSAO::step(float dtime, bool send_recommended)
{
ScopeProfiler sp2(g_profiler, "RatSAO::step avg", SPT_AVG);
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
/*m_age += dtime;
if(m_age > 60)
{
// Die
m_removed = true;
return;
}*/
// Apply gravity
m_speed_f.Y -= dtime*9.81*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
if(m_base_position.getDistanceFrom(playerpos) < BS*10.0)
{
player_is_close = true;
break;
}
}
m_is_active = player_is_close;
if(player_is_close == false)
{
m_speed_f.X = 0;
m_speed_f.Z = 0;
}
else
{
// Move around
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
f32 speed = 2*BS;
m_speed_f.X = speed * dir.X;
m_speed_f.Z = speed * dir.Z;
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 1.0;
m_speed_f.Y = 5.0*BS;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw = wrapDegrees(m_yaw);
}
}
}
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
collisionMoveResult moveresult;
// Maximum movement without glitches
f32 pos_max_d = BS*0.25;
// Limit speed
if(m_speed_f.getLength()*dtime > pos_max_d)
m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
v3f pos_f = getBasePosition();
v3f pos_f_old = pos_f;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
setBasePosition(pos_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
m_last_sent_position = pos_f;
std::ostringstream os(std::ios::binary);
// command (0 = update position)
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string RatSAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string RatSAO::getStaticData()
{
//infostream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
return os.str();
}
InventoryItem* RatSAO::createPickedUpItem()
{
std::istringstream is("CraftItem rat 1", std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
return item;
}
/*
Oerkki1SAO
*/
// Prototype
Oerkki1SAO proto_Oerkki1SAO(NULL, 0, v3f(0,0,0));
Oerkki1SAO::Oerkki1SAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = 0;
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
m_hp = 20;
m_after_jump_timer = 0;
}
ServerActiveObject* Oerkki1SAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
// read version
u8 version = readU8(is);
// read hp
u8 hp = readU8(is);
// check if version is supported
if(version != 0)
return NULL;
Oerkki1SAO *o = new Oerkki1SAO(env, id, pos);
o->m_hp = hp;
return o;
}
void Oerkki1SAO::step(float dtime, bool send_recommended)
{
ScopeProfiler sp2(g_profiler, "Oerkki1SAO::step avg", SPT_AVG);
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
m_age += dtime;
if(m_age > 120)
{
// Die
m_removed = true;
return;
}
m_after_jump_timer -= dtime;
v3f old_speed = m_speed_f;
// Apply gravity
m_speed_f.Y -= dtime*9.81*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
bool player_is_too_close = false;
v3f near_player_pos;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
f32 dist = m_base_position.getDistanceFrom(playerpos);
if(dist < BS*0.6)
{
m_removed = true;
return;
player_is_too_close = true;
near_player_pos = playerpos;
}
else if(dist < BS*15.0 && !player_is_too_close)
{
player_is_close = true;
near_player_pos = playerpos;
}
}
m_is_active = player_is_close;
v3f target_speed = m_speed_f;
if(!player_is_close)
{
target_speed = v3f(0,0,0);
}
else
{
// Move around
v3f ndir = near_player_pos - m_base_position;
ndir.Y = 0;
ndir.normalize();
f32 nyaw = 180./PI*atan2(ndir.Z,ndir.X);
if(nyaw < m_yaw - 180)
nyaw += 360;
else if(nyaw > m_yaw + 180)
nyaw -= 360;
m_yaw = 0.95*m_yaw + 0.05*nyaw;
m_yaw = wrapDegrees(m_yaw);
f32 speed = 2*BS;
if((m_touching_ground || m_after_jump_timer > 0.0)
&& !player_is_too_close)
{
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
target_speed.X = speed * dir.X;
target_speed.Z = speed * dir.Z;
}
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 0.2;
// Jump
target_speed.Y = 5.0*BS;
m_after_jump_timer = 1.0;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
//m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw += ((float)(myrand()%200)-100)/100*90;
m_yaw = wrapDegrees(m_yaw);
}
}
}
if((m_speed_f - target_speed).getLength() > BS*4 || player_is_too_close)
accelerate_xz(m_speed_f, target_speed, dtime*BS*8);
else
accelerate_xz(m_speed_f, target_speed, dtime*BS*4);
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*5./3.,BS/3.);
collisionMoveResult moveresult;
// Maximum movement without glitches
f32 pos_max_d = BS*0.25;
/*// Limit speed
if(m_speed_f.getLength()*dtime > pos_max_d)
m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);*/
v3f pos_f = getBasePosition();
v3f pos_f_old = pos_f;
moveresult = collisionMovePrecise(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
// Do collision damage
float tolerance = BS*30;
float factor = BS*0.5;
v3f speed_diff = old_speed - m_speed_f;
// Increase effect in X and Z
speed_diff.X *= 2;
speed_diff.Z *= 2;
float vel = speed_diff.getLength();
if(vel > tolerance)
{
f32 damage_f = (vel - tolerance)/BS*factor;
u16 damage = (u16)(damage_f+0.5);
doDamage(damage);
}
setBasePosition(pos_f);
if(send_recommended == false && m_speed_f.getLength() < 3.0*BS)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
m_last_sent_position = pos_f;
std::ostringstream os(std::ios::binary);
// command (0 = update position)
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string Oerkki1SAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string Oerkki1SAO::getStaticData()
{
//infostream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// hp
writeU8(os, m_hp);
return os.str();
}
u16 Oerkki1SAO::punch(const std::string &toolname, v3f dir,
const std::string &playername)
{
m_speed_f += dir*12*BS;
u16 amount = 5;
/* See tool names in inventory.h */
if(toolname == "WSword")
amount = 10;
if(toolname == "STSword")
amount = 12;
if(toolname == "SteelSword")
amount = 16;
if(toolname == "STAxe")
amount = 7;
if(toolname == "SteelAxe")
amount = 9;
if(toolname == "SteelPick")
amount = 7;
doDamage(amount);
return 65536/100;
}
void Oerkki1SAO::doDamage(u16 d)
{
infostream<<"oerkki damage: "<<d<<std::endl;
if(d < m_hp)
{
m_hp -= d;
}
else
{
// Die
m_hp = 0;
m_removed = true;
}
{
std::ostringstream os(std::ios::binary);
// command (1 = damage)
writeU8(os, 1);
// amount
writeU8(os, d);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
/*
FireflySAO
*/
// Prototype
FireflySAO proto_FireflySAO(NULL, 0, v3f(0,0,0));
FireflySAO::FireflySAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = 0;
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
}
ServerActiveObject* FireflySAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
char buf[1];
// read version
is.read(buf, 1);
u8 version = buf[0];
// check if version is supported
if(version != 0)
return NULL;
return new FireflySAO(env, id, pos);
}
void FireflySAO::step(float dtime, bool send_recommended)
{
ScopeProfiler sp2(g_profiler, "FireflySAO::step avg", SPT_AVG);
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
// Apply (less) gravity
m_speed_f.Y -= dtime*3*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
if(m_base_position.getDistanceFrom(playerpos) < BS*10.0)
{
player_is_close = true;
break;
}
}
m_is_active = player_is_close;
if(player_is_close == false)
{
m_speed_f.X = 0;
m_speed_f.Z = 0;
}
else
{
// Move around
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
f32 speed = BS/2;
m_speed_f.X = speed * dir.X;
m_speed_f.Z = speed * dir.Z;
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 1.0;
m_speed_f.Y = 5.0*BS;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw = wrapDegrees(m_yaw);
}
}
}
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,-BS*2/3.0,-BS/3., BS/3.,BS*4./3.,BS/3.);
collisionMoveResult moveresult;
// Maximum movement without glitches
f32 pos_max_d = BS*0.25;
// Limit speed
if(m_speed_f.getLength()*dtime > pos_max_d)
m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
v3f pos_f = getBasePosition();
v3f pos_f_old = pos_f;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
setBasePosition(pos_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
m_last_sent_position = pos_f;
std::ostringstream os(std::ios::binary);
// command (0 = update position)
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string FireflySAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string FireflySAO::getStaticData()
{
//infostream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
return os.str();
}
InventoryItem* FireflySAO::createPickedUpItem()
{
std::istringstream is("CraftItem firefly 1", std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
return item;
}
/*
MobV2SAO
*/
// Prototype
MobV2SAO proto_MobV2SAO(NULL, 0, v3f(0,0,0), NULL);
MobV2SAO::MobV2SAO(ServerEnvironment *env, u16 id, v3f pos,
Settings *init_properties):
ServerActiveObject(env, id, pos),
m_move_type("ground_nodes"),
m_speed(0,0,0),
m_last_sent_position(0,0,0),
m_oldpos(0,0,0),
m_yaw(0),
m_counter1(0),
m_counter2(0),
m_age(0),
m_touching_ground(false),
m_hp(10),
m_walk_around(false),
m_walk_around_timer(0),
m_next_pos_exists(false),
m_shoot_reload_timer(0),
m_shooting(false),
m_shooting_timer(0),
m_falling(false),
m_disturb_timer(100000),
m_random_disturb_timer(0),
m_shoot_y(0)
{
ServerActiveObject::registerType(getType(), create);
m_properties = new Settings();
if(init_properties)
m_properties->update(*init_properties);
m_properties->setV3F("pos", pos);
setPropertyDefaults();
readProperties();
}
MobV2SAO::~MobV2SAO()
{
delete m_properties;
}
ServerActiveObject* MobV2SAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
Settings properties;
properties.parseConfigLines(is, "MobArgsEnd");
MobV2SAO *o = new MobV2SAO(env, id, pos, &properties);
return o;
}
std::string MobV2SAO::getStaticData()
{
updateProperties();
std::ostringstream os(std::ios::binary);
m_properties->writeLines(os);
return os.str();
}
std::string MobV2SAO::getClientInitializationData()
{
//infostream<<__FUNCTION_NAME<<std::endl;
updateProperties();
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
Settings client_properties;
/*client_properties.set("version", "0");
client_properties.updateValue(*m_properties, "pos");
client_properties.updateValue(*m_properties, "yaw");
client_properties.updateValue(*m_properties, "hp");*/
// Just send everything for simplicity
client_properties.update(*m_properties);
std::ostringstream os2(std::ios::binary);
client_properties.writeLines(os2);
compressZlib(os2.str(), os);
return os.str();
}
bool checkFreePosition(Map *map, v3s16 p0, v3s16 size)
{
for(int dx=0; dx<size.X; dx++)
for(int dy=0; dy<size.Y; dy++)
for(int dz=0; dz<size.Z; dz++){
v3s16 dp(dx, dy, dz);
v3s16 p = p0 + dp;
MapNode n = map->getNodeNoEx(p);
if(n.getContent() != CONTENT_AIR)
return false;
}
return true;
}
bool checkWalkablePosition(Map *map, v3s16 p0)
{
v3s16 p = p0 + v3s16(0,-1,0);
MapNode n = map->getNodeNoEx(p);
if(n.getContent() != CONTENT_AIR)
return true;
return false;
}
bool checkFreeAndWalkablePosition(Map *map, v3s16 p0, v3s16 size)
{
if(!checkFreePosition(map, p0, size))
return false;
if(!checkWalkablePosition(map, p0))
return false;
return true;
}
static void get_random_u32_array(u32 a[], u32 len)
{
u32 i, n;
for(i=0; i<len; i++)
a[i] = i;
n = len;
while(n > 1){
u32 k = myrand() % n;
n--;
u32 temp = a[n];
a[n] = a[k];
a[k] = temp;
}
}
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
static void explodeSquare(Map *map, v3s16 p0, v3s16 size)
{
core::map<v3s16, MapBlock*> modified_blocks;
for(int dx=0; dx<size.X; dx++)
for(int dy=0; dy<size.Y; dy++)
for(int dz=0; dz<size.Z; dz++){
v3s16 dp(dx - size.X/2, dy - size.Y/2, dz - size.Z/2);
v3s16 p = p0 + dp;
MapNode n = map->getNodeNoEx(p);
if(n.getContent() == CONTENT_IGNORE)
continue;
//map->removeNodeWithEvent(p);
map->removeNodeAndUpdate(p, modified_blocks);
}
// Send a MEET_OTHER event
MapEditEvent event;
event.type = MEET_OTHER;
for(core::map<v3s16, MapBlock*>::Iterator
i = modified_blocks.getIterator();
i.atEnd() == false; i++)
{
v3s16 p = i.getNode()->getKey();
event.modified_blocks.insert(p, true);
}
map->dispatchEvent(&event);
}
void MobV2SAO::step(float dtime, bool send_recommended)
{
ScopeProfiler sp2(g_profiler, "MobV2SAO::step avg", SPT_AVG);
assert(m_env);
Map *map = &m_env->getMap();
m_age += dtime;
if(m_die_age >= 0.0 && m_age >= m_die_age){
m_removed = true;
return;
}
m_random_disturb_timer += dtime;
if(m_random_disturb_timer >= 5.0)
{
m_random_disturb_timer = 0;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
f32 dist = m_base_position.getDistanceFrom(playerpos);
if(dist < BS*16)
{
if(myrand_range(0,3) == 0){
actionstream<<"Mob id="<<m_id<<" at "
<<PP(m_base_position/BS)
<<" got randomly disturbed by "
<<player->getName()<<std::endl;
m_disturbing_player = player->getName();
m_disturb_timer = 0;
break;
}
}
}
}
Player *disturbing_player =
m_env->getPlayer(m_disturbing_player.c_str());
v3f disturbing_player_off = v3f(0,1,0);
v3f disturbing_player_norm = v3f(0,1,0);
float disturbing_player_distance = 1000000;
float disturbing_player_dir = 0;
if(disturbing_player){
disturbing_player_off =
disturbing_player->getPosition() - m_base_position;
disturbing_player_distance = disturbing_player_off.getLength();
disturbing_player_norm = disturbing_player_off;
disturbing_player_norm.normalize();
disturbing_player_dir = 180./PI*atan2(disturbing_player_norm.Z,
disturbing_player_norm.X);
}
m_disturb_timer += dtime;
if(!m_falling)
{
m_shooting_timer -= dtime;
if(m_shooting_timer <= 0.0 && m_shooting){
m_shooting = false;
std::string shoot_type = m_properties->get("shoot_type");
v3f shoot_pos(0,0,0);
shoot_pos.Y += m_properties->getFloat("shoot_y") * BS;
if(shoot_type == "fireball"){
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
dir.Y = m_shoot_y;
dir.normalize();
v3f speed = dir * BS * 10.0;
v3f pos = m_base_position + shoot_pos;
infostream<<__FUNCTION_NAME<<": Mob id="<<m_id
<<" shooting fireball from "<<PP(pos)
<<" at speed "<<PP(speed)<<std::endl;
Settings properties;
properties.set("looks", "fireball");
properties.setV3F("speed", speed);
properties.setFloat("die_age", 5.0);
properties.set("move_type", "constant_speed");
properties.setFloat("hp", 1000);
properties.set("lock_full_brightness", "true");
properties.set("player_hit_damage", "9");
properties.set("player_hit_distance", "2");
properties.set("player_hit_interval", "1");
ServerActiveObject *obj = new MobV2SAO(m_env, 0,
pos, &properties);
//m_env->addActiveObjectAsStatic(obj);
m_env->addActiveObject(obj);
} else {
infostream<<__FUNCTION_NAME<<": Mob id="<<m_id
<<": Unknown shoot_type="<<shoot_type
<<std::endl;
}
}
m_shoot_reload_timer += dtime;
float reload_time = 15.0;
if(m_disturb_timer <= 15.0)
reload_time = 3.0;
bool shoot_without_player = false;
if(m_properties->getBool("mindless_rage"))
shoot_without_player = true;
if(!m_shooting && m_shoot_reload_timer >= reload_time &&
!m_next_pos_exists &&
(m_disturb_timer <= 60.0 || shoot_without_player))
{
m_shoot_y = 0;
if(m_disturb_timer < 60.0 && disturbing_player &&
disturbing_player_distance < 16*BS &&
fabs(disturbing_player_norm.Y) < 0.8){
m_yaw = disturbing_player_dir;
sendPosition();
m_shoot_y += disturbing_player_norm.Y;
} else {
m_shoot_y = 0.01 * myrand_range(-30,10);
}
m_shoot_reload_timer = 0.0;
m_shooting = true;
m_shooting_timer = 1.5;
{
std::ostringstream os(std::ios::binary);
// command (2 = shooting)
writeU8(os, 2);
// time
writeF1000(os, m_shooting_timer + 0.1);
// bright?
writeU8(os, true);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
}
if(m_move_type == "ground_nodes")
{
if(!m_shooting){
m_walk_around_timer -= dtime;
if(m_walk_around_timer <= 0.0){
m_walk_around = !m_walk_around;
if(m_walk_around)
m_walk_around_timer = 0.1*myrand_range(10,50);
else
m_walk_around_timer = 0.1*myrand_range(30,70);
}
}
/* Move */
if(m_next_pos_exists){
v3f pos_f = m_base_position;
v3f next_pos_f = intToFloat(m_next_pos_i, BS);
v3f v = next_pos_f - pos_f;
m_yaw = atan2(v.Z, v.X) / PI * 180;
v3f diff = next_pos_f - pos_f;
v3f dir = diff;
dir.normalize();
float speed = BS * 0.5;
if(m_falling)
speed = BS * 3.0;
dir *= dtime * speed;
bool arrived = false;
if(dir.getLength() > diff.getLength()){
dir = diff;
arrived = true;
}
pos_f += dir;
m_base_position = pos_f;
if((pos_f - next_pos_f).getLength() < 0.1 || arrived){
m_next_pos_exists = false;
}
}
v3s16 pos_i = floatToInt(m_base_position, BS);
v3s16 size_blocks = v3s16(m_size.X+0.5,m_size.Y+0.5,m_size.X+0.5);
v3s16 pos_size_off(0,0,0);
if(m_size.X >= 2.5){
pos_size_off.X = -1;
pos_size_off.Y = -1;
}
if(!m_next_pos_exists){
/* Check whether to drop down */
if(checkFreePosition(map,
pos_i + pos_size_off + v3s16(0,-1,0), size_blocks)){
m_next_pos_i = pos_i + v3s16(0,-1,0);
m_next_pos_exists = true;
m_falling = true;
} else {
m_falling = false;
}
}
if(m_walk_around)
{
if(!m_next_pos_exists){
/* Find some position where to go next */
v3s16 dps[3*3*3];
int num_dps = 0;
for(int dx=-1; dx<=1; dx++)
for(int dy=-1; dy<=1; dy++)
for(int dz=-1; dz<=1; dz++){
if(dx == 0 && dy == 0)
continue;
if(dx != 0 && dz != 0 && dy != 0)
continue;
dps[num_dps++] = v3s16(dx,dy,dz);
}
u32 order[3*3*3];
get_random_u32_array(order, num_dps);
for(int i=0; i<num_dps; i++){
v3s16 p = dps[order[i]] + pos_i;
bool is_free = checkFreeAndWalkablePosition(map,
p + pos_size_off, size_blocks);
if(!is_free)
continue;
m_next_pos_i = p;
m_next_pos_exists = true;
break;
}
}
}
}
else if(m_move_type == "constant_speed")
{
m_base_position += m_speed * dtime;
v3s16 pos_i = floatToInt(m_base_position, BS);
v3s16 size_blocks = v3s16(m_size.X+0.5,m_size.Y+0.5,m_size.X+0.5);
v3s16 pos_size_off(0,0,0);
if(m_size.X >= 2.5){
pos_size_off.X = -1;
pos_size_off.Y = -1;
}
bool free = checkFreePosition(map, pos_i + pos_size_off, size_blocks);
if(!free){
explodeSquare(map, pos_i, v3s16(3,3,3));
m_removed = true;
return;
}
}
else
{
errorstream<<"MobV2SAO::step(): id="<<m_id<<" unknown move_type=\""
<<m_move_type<<"\""<<std::endl;
}
if(send_recommended == false)
return;
if(m_base_position.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
sendPosition();
}
}
u16 MobV2SAO::punch(const std::string &toolname, v3f dir,
const std::string &playername)
{
assert(m_env);
Map *map = &m_env->getMap();
actionstream<<playername<<" punches mob id="<<m_id
<<" with a \""<<toolname<<"\" at "
<<PP(m_base_position/BS)<<std::endl;
m_disturb_timer = 0;
m_disturbing_player = playername;
m_next_pos_exists = false; // Cancel moving immediately
m_yaw = wrapDegrees_180(180./PI*atan2(dir.Z, dir.X) + 180.);
v3f new_base_position = m_base_position + dir * BS;
{
v3s16 pos_i = floatToInt(new_base_position, BS);
v3s16 size_blocks = v3s16(m_size.X+0.5,m_size.Y+0.5,m_size.X+0.5);
v3s16 pos_size_off(0,0,0);
if(m_size.X >= 2.5){
pos_size_off.X = -1;
pos_size_off.Y = -1;
}
bool free = checkFreePosition(map, pos_i + pos_size_off, size_blocks);
if(free)
m_base_position = new_base_position;
}
sendPosition();
u16 amount = 2;
/* See tool names in inventory.h */
if(toolname == "WSword")
amount = 4;
if(toolname == "STSword")
amount = 6;
if(toolname == "SteelSword")
amount = 8;
if(toolname == "STAxe")
amount = 3;
if(toolname == "SteelAxe")
amount = 4;
if(toolname == "SteelPick")
amount = 3;
doDamage(amount);
return 65536/100;
}
bool MobV2SAO::isPeaceful()
{
return m_properties->getBool("is_peaceful");
}
void MobV2SAO::sendPosition()
{
m_last_sent_position = m_base_position;
std::ostringstream os(std::ios::binary);
// command (0 = update position)
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
void MobV2SAO::setPropertyDefaults()
{
m_properties->setDefault("is_peaceful", "false");
m_properties->setDefault("move_type", "ground_nodes");
m_properties->setDefault("speed", "(0,0,0)");
m_properties->setDefault("age", "0");
m_properties->setDefault("yaw", "0");
m_properties->setDefault("pos", "(0,0,0)");
m_properties->setDefault("hp", "0");
m_properties->setDefault("die_age", "-1");
m_properties->setDefault("size", "(1,2)");
m_properties->setDefault("shoot_type", "fireball");
m_properties->setDefault("shoot_y", "0");
m_properties->setDefault("mindless_rage", "false");
}
void MobV2SAO::readProperties()
{
m_move_type = m_properties->get("move_type");
m_speed = m_properties->getV3F("speed");
m_age = m_properties->getFloat("age");
m_yaw = m_properties->getFloat("yaw");
m_base_position = m_properties->getV3F("pos");
m_hp = m_properties->getS32("hp");
m_die_age = m_properties->getFloat("die_age");
m_size = m_properties->getV2F("size");
}
void MobV2SAO::updateProperties()
{
m_properties->set("move_type", m_move_type);
m_properties->setV3F("speed", m_speed);
m_properties->setFloat("age", m_age);
m_properties->setFloat("yaw", m_yaw);
m_properties->setV3F("pos", m_base_position);
m_properties->setS32("hp", m_hp);
m_properties->setFloat("die_age", m_die_age);
m_properties->setV2F("size", m_size);
m_properties->setS32("version", 0);
}
void MobV2SAO::doDamage(u16 d)
{
infostream<<"MobV2 hp="<<m_hp<<" damage="<<d<<std::endl;
if(d < m_hp)
{
m_hp -= d;
}
else
{
actionstream<<"A "<<(isPeaceful()?"peaceful":"non-peaceful")
<<" mob id="<<m_id<<" dies at "<<PP(m_base_position)<<std::endl;
// Die
m_hp = 0;
m_removed = true;
}
{
std::ostringstream os(std::ios::binary);
// command (1 = damage)
writeU8(os, 1);
// amount
writeU16(os, d);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
Reference in New Issue View Git Blame Copy Permalink